8pm-10pm, free, Pleasure Chest Upper East Side, 1150 Second Ave, thepleasurechest.com. This queer-centric strap-on sex class covers the basics of strap-on play: how to choose the best harness and dildo for you, enhancing satisfaction for both partners, double dildos, as well as affirming your gender expression through strap-on play: owning your cock, sucking cock and incorporating power dynamics. A great class to learn the basics of dildo harnesses and pick up some new tips and tricks!