auto chicken doors

[kosan]

all the basic auto chicken doors that operate on a string pulley system, whats to hold them in place and not have a predator pry it open

 

[Hokum Coco]

all the basic auto chicken doors that operate on a string pulley system, whats to hold them in place and not have a predator pry it open
Locking mechanism:

Pop door radio-antenna

Hokum Coco
Oct 14, 2013 at 1:19 pm
https://www.backyardchickens.com/t/...-5-bucks-with-a-radio-antenna-from-a-junkyard