For those who want to use more multilayer Maruyama coils, this is a product sewn in the male part of hook-and-loop fastener (Velcro).
Easy to use! Just stick it on the surface of the "Black Eye Gaias knee supporter".
In addition to knee supporters, multilayer Maruyama type tip (hook-and-loop fastener) can be pasted anywhere as long as it is a material attached.