JimmyHAD has the correct answer. SRD have a fantastic line up of strops. Just in hanging strops you can range from horseleather to Roo to bison and on and on. They are all very functional and made to last forever.
Neil Millers strops reflect a level of craftmanship that may be foremost in the world and he has all the stropper prefered
leathers + some of the finest natural linen available. Truth be told you cannot have to many quality strops, quality straight razors, shaving creams, aftershaves and hones. You need to be completely submerged in straight razor shaving to attain
enlightenment! ; p