The Leapfrog Bondage position is like Doggy style taken to the next level, but in this case, the wrists are bound to the ankles.
Depending on shoulder flexibility, this can be more comfortable with the arms either on the inside or outside of the legs. A spreader bar can be used to achieve this position as can rope or other restraints.
More About Leapfrog Bondage Position
This sex position allows for extreme vulnerability while also being highly restrictive. It works well for sex as well as for other forms of kinky play.
Because this position puts strain on the neck (the bound person will be resting on their head, neck and shoulders), care should be taken to minimize discomfort. A pillow or sex furniture may help, along with checking in with your partner and limiting the duration of the position if needed.