3/4" to 1" OneWrap should be cut 3x the width of your belt 1.75" = 5.5" 2" = 6"
OneWrap is pulled through the top two molle rows. you should already know where your pouches sit best for you. Generally 3 or 9 depending on left-handed or right handed. One of the great things about one wrap is it takes seconds to adjust.
Bottom tail of OneWrap is pulled up while the top lays over it. The Material attached to the belt inner and itself securing it.
The real money behind One Wrap is the way it attaches to itself the inner belt and the outer belt.
All of this is to shed weight and bulk from your two piece battle belt. Doing this will eliminate panels or malice clips.