This video shows a series of photographs of a caterpillar tunnel under construction at Johnny's Selected Seeds Research Farm in Albion, Maine. The Quick Hoops™ High Tunnel Bender is used to bend the fence rail to create 12' diameter hoops used to build a 12' wide x 7' high tunnel of any length. Materials include 1 3/8" fence rails,1 5/8" fence posts, cross connectors, 6 mil greenhouse film and parachute cord.
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