How does clasped weft work mechanically, and what does the clasping point look like in the finished cloth?

In clasped weft, two shuttles carry different colored wefts. The first shuttle is inserted through the open shed from the right selvedge toward the center. A second shuttle's thread is placed at the right selvedge. Before the first shuttle exits the left side, the weaver loops the first shuttle's thread around the second shuttle's thread at a specific position within the shed — this loop is the clasp. The first shuttle is then pulled back through the shed to the right, dragging the second shuttle's thread along with it. Both threads now occupy the same shed pick: the first shuttle's thread from the right selvedge to the clasping point, and the second shuttle's thread from the clasping point to the left selvedge. The clasping point appears as a small visible loop in the finished cloth at the column where the two colors meet. Moving the clasping point left or right on different rows creates diagonal color field boundaries, curves, and geometric patterns. The technique requires no special loom setup — it works on rigid heddle looms, floor looms, and frame looms with any weave structure.

How do you control the clasping point position to create diagonal and curved color boundaries?

The clasping point is positioned against a specific warp thread by pulling the first shuttle's thread until the loop aligns with the target warp thread before wrapping around the second shuttle's thread. To create a diagonal boundary moving to the right across multiple rows, shift the clasping point one or more warp threads to the right on each successive row. To move the boundary left, shift the clasping point left. Curved boundaries require the clasping point to move right for a few rows, hold position for one or two rows, then move left — or to accelerate in one direction. Sharp diagonal angles require moving the point by several warp threads per row; shallow diagonals require moving by one thread every two or three rows. The clasping point can also be placed off-center on alternating rows to create a zigzag boundary. Most clasped weft pattern design is done directly at the loom by estimating point placement visually against the visible warp thread positions, without a drawn cartoon.

KeepTier · weaving creator economics

Patreon for clasped weft weaving creators: two-shuttle interlock mechanics, clasping point placement and color boundary control, selvedge management, and the Apple Tax on iOS-heavy weaving audiences from November 2026

Q: What is the Apple Tax on clasped weft and rigid heddle weaving Patreon audiences from November 2026?

Instagram rigid heddle and frame loom weaving accounts run 68–84% iOS; Pinterest weaving technique and color work boards run 70–86% iOS; YouTube rigid heddle tutorial channels run 56–70% iOS. Apple Tax deductions on Patreon iOS subscriptions from November 1, 2026: at $100/month with 70% iOS, $21/month ($252/year); at $150/month with 74% iOS, $33.30/month ($399.60/year); at $300/month with 78% iOS, $70.20/month ($842.40/year). Web-only billing at Patreon or KeepTier keeps all transactions outside Apple's in-app purchase system.

Clasped weft structure: two colors in one shed, joined at a movable loop point

Clasped weft is a two-color weft insertion technique that places both colors in a single shed pick by looping one weft thread around the other at a specific position within the open shed before pulling both back into the fabric. The first shuttle enters the shed from the right selvedge. Before it exits the left side, the weaver loops its thread around the second shuttle's thread (which has been positioned at the right selvedge). The first shuttle is then pulled back through the shed to the right. Both threads now occupy the same pick: the first color from the right selvedge to the clasping point, the second color from the clasping point to the left selvedge. The clasping point appears as a small visible loop at the exact warp column where the two colors meet — this loop is a visible feature of the technique and is visible in the finished cloth as a characteristic knot-like crossing.

The technique requires no special equipment: it works on any loom that can open a shed, with any weave structure (plain weave, twill, or lace), and with any yarn that can loop without breaking under the pulling tension. The color boundary moves freely on each row simply by changing where the clasping loop is placed relative to the warp threads — shifting the clasping point left or right on successive rows creates diagonal lines, curves, and geometric color fields.

Clasping point placement for diagonal and curved boundaries

To create a diagonal boundary moving right: shift the clasping point one warp thread to the right on each row. To move the boundary left: shift left one thread per row. Faster diagonals require two or more threads per row. Curves use a sequence of right-shifts, a pause, then left-shifts (or reversed). Sharp V-shapes or zigzags require the boundary to reverse direction every few rows. Most clasped weft pattern work is designed live at the loom — the weaver estimates the loop placement by eye against visible warp threads rather than working from a pre-drawn cartoon. Documenting the exact clasping point position (which warp thread number from the right selvedge) for each row of a successful piece is the primary technical Patreon deliverable, because it allows subscribers to reproduce the same color boundary geometry.

Selvedge management at both edges is the main technical challenge. The right selvedge carries both the exit point of the first shuttle's return trip and the entry point of the second shuttle's thread — the two threads wrap around each other at the selvedge, and if the wrap is not consistent (same thread over-under on each row), the selvedge will show alternating surface textures. Working the selvedge wrap in the same direction on every row (first-over-second or second-over-first, always consistent) produces a clean braided-looking selvedge that is a design feature of clasped weft fabric.

Apple Tax on clasped weft and rigid heddle weaving Patreon audiences from November 2026

Instagram rigid heddle and frame loom weaving accounts show 68–84% iOS; Pinterest weaving technique and colorwork boards show 70–86% iOS; YouTube rigid heddle tutorial channels show 56–70% iOS. From November 1, 2026, Apple deducts 30% from every Patreon subscription renewal made through the iOS app. At $100/month with 70% iOS, that is $21/month ($252/year). At $150/month with 74% iOS, $33.30/month ($399.60/year). At $300/month with 78% iOS, $70.20/month ($842.40/year). KeepTier operates entirely on web-only billing — no iOS app, no Apple Tax.

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