Quoting I'm Marbles:" padlock She climbs onto a high piece of furniture (work disk, washing machine ...), sits down on the ... [snip!] ... over his lap hugging him with her thighs and lowers herself down. She can then determine the speed and depth of penetration."
Quoting the grace life:" I have no clue what the names of ours are. "Hey, lets do that one thing we tried that one time..." thankfully, we always know what we're talking about."