Multiple controller as 1

[spartacus04]

Im making a sort of Nintendo Switch with recalbox but for the joy con i dont know how to use two controllers as one.
Is there a way to use multiple controllers as one?
If yes can somebody tell me how to?
Thankyou

P.S. sorry for my english but i speak another one

[voljega]

no it's totally impossible

[spartacus04]

OK thanks anyway