The dollar store velcro is very low quality and only sown together with a few strings and keeps ripping
Try buying actual Velcro not dollar store garbage.
I’d probably try a craft store for something like that
Military uniforms use tons of Velcro, see if somewhere near you sells that. (Idk what Canada’s version of an army PX is)
In this case they sell the hook side and the loop sides separate, make sure you buy at least one set of each if you go with this random website I usually use
Hobby/craft or fabric stores usually have more heavy duty velcro. Also maybe a home hardware/home depot style store.
Isn’t the whole point of Velcro that you can rip it in half?