rope prussik on a steel core lanyard?

[Maui Palm & Tree Care]

does a rope or prussik cord work well with steel core lanyards or is this not such a goood idea?

 

[Roger_Barnett]

Works fine!

 

[simplyarbor]

thats what i'm currently using... The only problem i find is that it binds up pretty tight sometimes, so it needs to be tended occasionally.