Sally Port Rules

[M217]

Yeah, no specific rules against them. However, it might be overkill to have to "chain-cross" the SP since it slows down the breaching of other defenses -- it counts as a legal cross if you just travel back through the door from the courtyard, which any robot can do, and then spin in place, losing contact with the flap, before driving through again. Having one robot do this twice is typically faster than trying to coordinate a 3-bot chain and it frees up your alliance partners for scoring.