>>331068614
Uhh let me see if I can find you one
Just hada look, there are LOADS if you search for "vr tracker strap" such as this one:
https://www.aliexpress.com/item/4001177427072.html

$14 for all of them apparently. 
You can rig up a temporary strap with zip ties, belts and straps to hold you over while they ship.