Oh Marc — you devilish Devil.
Jacobs, one of the Big Swinging Dicks of Fashion (link NSFW) loves to push buttons, like with this Dakota Fanning perfume print ad that was banned in the UK.
According to The Cut, the mock masturbator is an employee at Marc's Soho store. So, stop by, and ask for a personal demo.
Marc, here's a tip: You shouldn't have had the actor smile. WE GET IT.