rskybiz
TreeHouser
No idea never been on one, rope runner either for that matter. Been around both and have had the opportunity just love what I climb on so no need.
https://www.youtube.com/watch?v=Ias9ZRNtSjQ
Heres a video i made about a year ago using the epple hook , its always on my harness as it just makes life so much easier, plenty of applications also , not just traversing
Similar to the New Tribe Yella:
http://shop.freeworker.com/ftc-grappin-hook.html
Principal is the same:
https://www.youtube.com/watch?v=gBu6jIYDiaU