The Original Line Spool Rack with a built in cutter. 
Fast Action Never Dull Cutter
Prevents line from unspooling
Prevents lost or damaged spools of line
Prevents time wasted from searching for cutters
Holds any 1-5 lb Spool
Zinc Plated
Includes all mounting hardware
Fits open and enclosed trailers as well as garage walls
https://youtu.be/T4qa4JLwHIc