Some crazy stuff with very thin, slippery, 1/8" (2500 lb bs per strand Amsteel Dyneema). See here for more controlled tests of raps and heating.





Can we ascend slippery ansteel with frictions knots? Well, a bit, with the right knot.
These schwabisch knots are made from polyester-sheathed Dyneema.


Munter with a twist for intermediate-speed descent




Supermunter and autoblock (made from thin polyester-sheathed Dyneema)
Supermunter from another angle