Good results so far with stock Vans arrangement. One thing I did to reduce possibility of slippage was to make 4-5 slits with a Dremel cut-off wheel, perpendicular to length of tube. Gives the rubber something to bite into.
Flew to Osh in 2017, 2018 & 2019!
Tail number N427DK
Donation made for 2020
You haven't seen a tree until you've seen its shadow from the sky
-- Amelia Earhart