We have a 1 year old rescue and he's settled in beautifully and despite some hiccups we're slowly seeing him turn into a lovely family pet however he's too damn smart for his own good despite training, brain games, puzzle toys etc.
Anyway his new game is to open doors and despite blocking with baby gates, using childproof locks and now changing the blooming handles from lever ones to round knobs he can still get the doors open when left unsupervised.
Despite extensive googling I have not found any other solutions and am hoping you clever lot can help me outsmart the four legged fiend.