with my set up, on the ground when I am five yards away from the target, I use my 35 yard pin. the closer I get to a target the longer pin I use. when I'm 3 yards away from a target, I use a 42 yard pin, If i'm 2yards away I need a 60 yard pin.
you really need to go close to your target and try this, you will be amazed...
Every so often our club sets up a snake shot for our 3D club shoots. Distance is generally 3-4 yards. The traditional guys clean up on it but it totally rips most of the sights shooters.
It's a real eye opener for folks who never practice shots closer than 20 yards.