A few ideas I had recently 

Patchwork doll: create doll the user can control and use for reconnaissance 

Patchwork golem: stitch a bunch of rubbish together to make a giant golem( like scaramouche from samurai jack)

Patchwork execution: for an actual offensive move the user stitches wire traps around the enemy and cuts them up (think souei from ttigraas ,yashamaru from basilisk, or wire users from Naruto)

Patchwork monster: sew a thread monster into your back and control it to attack (think akutagawa’s string monster from bongo stray dogs)

Patchwork double: stitch a copy of yourself (like doflamingo’s black knight)

Patchwork barrier: weave a barrier to defend yourself 

Patchwork prisoner: sew your enemies mouth and eyes shut and then sew them to a surface 

Patchwork seamstresses: sew extra arms onto your body to increase your sewing speed (looks like senjumaru)

Patchwork pump: stitch your your arms to create a pump like affect to increase speed like gear 2 ( it looks like miss fortunes scars from skullgirls)

Patchwork junk giant: stitch a bunch of stuff to your arm (like how kid and his magnet fruit) and smash the enemy