Communication. Communication. Communication.
Background: 10+ years as a bull. The best experiences I've had were with couples who spent a lot of time having conversations with one another - conversations most guys who are into this kink are afraid to have. I think the best advice I can give is to talk to your wife, be vulnerable, be honest, know that it can be scary, but if your relationship is strong enough to try this kink it's definitely strong enough to have a conversation. Then take your time, play with the idea in the bedroom, but also make sure you check in with each other outside the bedroom too.
Good luck!