Just so you know: It is illegal for any person to possess or use an operable body-gripping trap, except a licensed trapper or a person who has been licensed as a trapper in the past five years or a farmer or any member of the farmer’s family who resides with the farmer on the farmer’s property.

https://www.ontario.ca/page/ontario-trapping-regulations-summary

Boco already stated this, but just in case you missed it!