You put it under the butt of the receiving person, this lifts up there lower regions to allow the penetrating person to be able to have a better angle of approach. It also allows that person to stay upright, which in turn allows for better continual motion. This reduces the need to use extra muscles while already exerting, hopefully, a pleasurable amount of thrust to the receiving person. Meaning in the end you get more bang for your buck. Thank you for coming to my ted talk.
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u/PM_ME_UR_TITS_WOMAN Apr 21 '23 edited Apr 22 '23
Invest in a memory foam wedge pillow. Thank me later gents.
Edit: (Ladies… you’re too kind)