Generally, you want the prussik cord to be smaller diameter than the "standing line". If you make your loop out of the dyneema, I bet you'll have better luck getting it to hold.
PF
Type: Posts; User: PuckerFactor
Generally, you want the prussik cord to be smaller diameter than the "standing line". If you make your loop out of the dyneema, I bet you'll have better luck getting it to hold.
PF