MOLE SKIN (Google search, pharmacies carry their own brand) but ONLY use on HEALED skin

Here's a link to 1 on Amazon precut:

https://www.amazon.com/dp/B001GUN9MY/ref=cm_sw_r_apan_i_HDSHC7ZJKZVSQP3XX8C0?_encoding=UTF8&psc=1

Military use them alot where rubbing may occur and u use it for a slight padding to avoid rubbing against the skin they use them to break in those tough boots on their 1st hikes