[flatbutt]

I've been playing with oil painting and would like to make my own frames. So if mortise and tenon is best for frames then I'm thinking of this:

https://www.kregtool.com/s/kreg/shop/wood-joinery/mortise-tenon-joinery/mortisemate-loose-tenon-jig/KLTJ100.html?trk_msg=R15P6QGV0MEK9FQRIKVPEF91L0&trk_contact=N47NFK9NM8BFQFST950F138MEK&trk_module=bna&trk_sid=CN523DN4QPSU16LGJBJV9JQ4LK&trk_link=7O95NT3VAHC4TEHGQNC7DN0PUK&utm_source=listrak&utm_medium=email&utm_term=See+It+Again&utm_campaign=em-trig-browse-prod-abandon&utm_content=browse-prod-customer-m2