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Tuck and slip › Slip

Two-colour slip / mosaic & maze

Crisp geometric two-colour patterns (mazes, Greek keys, checks) on the knit side, built from 2-row stripes where slipped stitches carry colour vertically. Lines are horizontal stripes plus vertical "columns" of elongated stitches. Edges are sharper than in tuck. PART buttons with K.C.

AI-generated picture of a machine-knitted swatch: Two-colour slip / mosaic & maze
AI-generated picture made from the demo chart and this card, not a photo of a real swatch. A real swatch will differ in yarn, gauge and finish.

Machine types that can knit it

Demo swatch

Drawn for: Single bed, punch card
Approximate preview worked out from the bed chart, not a photo.
Bed chart
1102030→←→←→←→←→←→←→←→←→←→←→←→←→←→←→←→←→←→←Front bedSlip1 square = 1 stitch × 1 row · read from the bottom · Single bed, punch card, 48 needles
Needle notation, first steps
1. Rows 1–2: knit 2 rowsStocking stitch · slip 24carriage →bed2. Rows 3–4: knit 2 rowsStocking stitch · slip 40carriage →bed3. Rows 5–6: knit 2 rowsStocking stitch · slip 16carriage →bed4. Rows 7–8: knit 2 rowsStocking stitch · slip 24carriage →bedShowing needles L12–R12 of 48; repeat across the working area.
Punch card, first 24 stitches

The full card

What it looks like
Crisp geometric two-colour patterns (mazes, Greek keys, checks) on the knit side, built from 2-row stripes where slipped stitches carry colour vertically. Lines are horizontal stripes plus vertical "columns" of elongated stitches. Edges are sharper than in tuck.
How it behaves
Firm, narrow and dense; less stretchy than Fair Isle. It can bias or ripple when the number of slipped needles varies row to row (unbalanced).
How it works
PART buttons with K.C. Yarn in feeder A changes every 2 rows. Each colour knits on punched needles and slips the blanks, so the previous colour's stitches show through.
Machines
KH-821 yes. Colour changer optional.
Parameters
Colour change every 2 rows. Slipped runs ≤ 2 adjacent (mosaic rule). One square of design ≈ 1 stitch × 2 rows; 2 rows ≈ 1 stitch width in scale.
Steps
Same as tuck-two-colour, but with PART buttons pressed instead of TUCK. - Odd rows (mostly knitting) may have any number of holes. - Even rows have mostly single blanks; no more than 2 blanks side by side. - Vertical lines start and end on odd rows and span an odd number of rows. - Total height must be even (colour returns to the same side). - Without elongation, every row pair is punched separately on the card.
Charting
Design chart in two colours (each square = 1 st × 2 rows), then convert to a card chart where each design row becomes 2 identical card rows (■ = knit, □ = slip).
Limits and common problems
Doubling rows by hand doubles card length (the KH-821 has no elongation). Unbalanced rows cause biasing. Wrong row parity causes colour errors.
Combines with
two-colour tuck, stripes.

Written in our own words from machine manuals, knitting references and swatching. Knit a test swatch before a whole piece.

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