svh
Crowing
These spring loaded barrel bolts are very secure, and in my experience raccoon proof, if installed correctly. I put one high, and one low on the door.
https://www.amazon.com/gp/product/B01M70ER0W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B01M70ER0W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1