My home made backstop

[Ssamac]

What works better: The backing of the carpet or the Knap of the carpet facing forward?
I've found the backing does better.

sam

[Raging Water]

If you look at the carpet in the photos you will see:

the first layer of carpet nap faces forward, the second is backing forward, and the last is nap forward. I think the friction of the backing is what really stops the arrows. The nap helps.