The gap between the door and panel seems big Daniel is it, Would You run into bother with pups and young terriers? I'd have preferred the hinging to be a bit tighter than it looks, tidy setup tho.
I don't keep dogs that grab others(only one place they go)-they won't enter each others runs or boxes-I spend time socialising all my dogs be it terriers or lurchers.not had an accident in over 15 yrs fingers crossed.atb dc