Isn't this one of those comedy acts done in New Years events or such?
It's done at a lot of things, it's not even Japan-exclusive. You've might have seen it on 'Who's Line is it Anyway' (or at live Theatresports/Improv.
You'll usually see in in Japan with the 'helper' hidden under the oversized haori though - in Western improv, the helper/helpee pair might be standing and moving around the stage, but they tend to be more static in Japan.
Better git gud on holding 'em chopsticks Gangut. Also, is that Gangut's cleavage I see in panel 4? That's an unnaturally long line if it is.
If her breasts are being squished between Verniy's arms, they'd look a bit like that.
NAGASHI-SOUMEN!!To the right!!A little more to the left!!Waaah!I can't catch it at all!Aaaaaah!gloomsblubComrade Tiny One...!This is the rumoured...Comrade Gangut. I have an idea.Why 'Helping Hands'?Known as 'Two-person Haori' in Japanese here; it's the comedy routine (often seen in theatresports) of having someone else act as your hands.