Wondercut ruler for making hst.
Normally I use a rotary cutter for unstiching. Some ladies get quite nervous when I do this in public, so I saw another idea while watching the video on Bargellos. She used a brow shaper, works great and people don't panic when I use it.
Tweezers to thread the needle on the machine that doesn't have a needle threader. Also works great to remove threads from unstitching a seam.
Thread catcher for gathering threads as I sew, if not they end up on the carpet.