These 10 vouchers are perfect for switch couples who love to exchange power in the bedroom. Face sitting, hot wax and bondage all feature in this BDSM-flavoured favours booklet. Fill one out and slip it in his briefcase or her handbag for future fun.

Want to inspire kinky fun in the bedroom, but not sure how? These illustrated, playful bondage vouchers offer five different acts, with a voucher for each gender. Leave a not-so-subtle hint you'd like to be tied up, or have hot wax dripped on you, or do the same to your partner - just sign the voucher and slip it someplace they're "bound" to find it!