I have heard many justifications for the choice of a Figure-of-9 knot over the Figure-of-8 knot and they normally come down to: “Easier to untie after heavy loading”; “Stronger” (maintain

Most people now acknowledge that perfectly equalised anchors are virtually impossible to achieve, especially once a system is subjected to any significant loading. The ‘Sliding-X’ anchor was a hot topic

I purchased a pair of Petzl TibLoc “Ultra-light emergency ascenders” in 1999 when I was working as a climbing instructor.  I liked the idea of a simple rope-grab that was