"Tsurikawa literally means “strap” in Japanese and, in this case, relates to the strap and loop train handles that hang from the ceilings of trains in Japan." - https://jdmtsurikawa.com/pages/tsurikawa_story

1 inch wide webbing here - https://www.amazon.com/dp/B09B6W122Y?smid=A2Y5TSXLFYN32P&ref_=chk_typ_imgToDp&th=1&psc=1

Hole punch here - https://amzn.to/3sofcxR

Screw and nut - M4 x 12mm length