Jizz

I would use [m]y core muscles to thrust into you

gonewild

(Self) Finally getting some core muscles.

fuckyeahfitgirls

Those rings use every core muscle available!

AthleticGirls

Doing core muscle exercises by imagining what I'd want to do with the women of ONMWW

OhNoDadWentWild

Nothing like a wand to teach a hogtied slavegirl to inchworm using her core muscles alone

SFandFslavegirls, quiver

M/21/6'2''/ Recovering anorexic. It take alot of strength to hold this correct my posture like this due to a lack of muscle in my core and back.

normalnudes

Decided Qo start working the core muscle group (finally!) and where better to start than pushups! It may not be many but it's pretty good form, I think...

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