I was going to make a trinity stitch scarf, but thought better of it and am now making a purse. I would like to make a triangular flap like this:
but I would like to stay in the the trinity stitch pattern:
Row 1 and all odd rows: purl
Row 2: *k1,p1,k1 in same stitch, p3tog repeat from * to end
Row4: *p3tog; k1,p1,k1 in same stitch . . .
How do I decrease and stay within pattern?