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My cat is the same. They are fast as lightning when they want to get out. I keep a water pistol near the door so I can run the cat off so I can leave the house.

do you have to use it often ? or try and sneak out x

Both. Sometimes I am too tired from work to care if he sneaks out. I don't mind but every time he gets out I don't see the little shit for days on end.

bet you worry about him though x his he micro chipped ?

No. But he had all his shots and fixed at least. If going outside makes him happy I can't deny him.