Read:
https://www.hindujagruti.org/hinduism/hindu-lifestyle/hindu-attire/sewing-clothes (Seems to say stitching blocks Chaitanya, also says machines generate centres of Rajo-Tama waves, and older Charkas had limited use, and Nama Japa during their use made sure there were no Rajo Tama waves collected in them; Sourced from https://sanatanshop.com/product/how-should-the-clothes-be-from-a-spiritual-perspective/)
https://groups.google.com/g/bvparishat/c/w3WYhVTyqVQ/m/AaXRUyOtAwAJ (has some ideas like that wearing stitched clothes is considered to be nude)
https://hinduism.stackexchange.com/questions/334/why-do-some-temples-require-men-not-to-wear-shirts