Here is a serious heavy duty long line with a foot stirrup and decent winding mechanism. It will stand heavy use and works very well!

FEATURES
For Beach Use with Reel and Stand
Galvanised Stand 120cm Long
1000m Backbone Line
170lb Breaking Strain Mainline
25 Pre Made Traces with Clips one End and Tainawa Long Line Hooks the Other
50 Crimps on the Line to Separate Traces
Reel 25 cm Diameter
Easy Wind Ratchet Mechanism on Reel
Well Designed 
Very Reliable
Made in New Zealand

APPLICATION
Designed to be run off a beach or rocks while reel and stand anchored on land.
Can be used with Kontiki bag or Kite.
Easy to use.