AT YOUR PASSAGE ENTRYWAY, YOU SHOULD SET OUT A LITTLE FIBER TANGLE FOR CLEANING SHOES AND FOOTWEAR BEFORE ANYBODY ENTERS YOUR HOME. THIS TANGLE OUGHT TO BE THICK, NON-SLIP, AND SIMPLE TO CLEAN. REGULAR COIR OR JUTE MATS FUNCTION ADMIRABLY HERE. https://www.theringer.com/users/obeetee11