My Friend Bob

Intended User: Rapier and sport Fencers..  
Advantage:  Maintains a good guard.
Disadvantage:  Not much motion involved.

Full Link here from Fencers Quarterly by John Gonzalez


  

Parts List: "I made him from two-by-fours, some leftover pieces of fabric, a handful of hardware, and a retired foil and mask,"

 

 I think those are pipe holders. You can get a big spring from a hardware store for doors.