ok this isnt a old shirt this is a crop top I bought from my thrift store job with the express purpose of turning into a muscle tee but i digress!!!! they are fun and a good way to give unloved shirts new life!
anyway I found some tiktok tutorials that I took inspo from when cutting off the sleeves but you do you boo:
https://www.tiktok.com/t/ZP8rkRCef/
https://www.tiktok.com/t/ZP8rkJptL/
https://www.tiktok.com/t/ZP8rhoWqs/