洋モノ
5分
Kink Academy
Sexual Ergodynamics: Doggy Style
Reid Mihalko continues his series on sexual ergodynamics with this five-minute. He uses the doggy style position – with a couple variations – to show how you can generate more power in your sex without losing stamina. Reid offers tips on positions, posture, movements, muscle use, and much more.
マイ評価・メモ・リスト
自分の評価
ソース
StashDB 2026-10-05
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