The Extra Holes in Converse Sneakers
Those extra holes in Converse sneakers aren't actually meant for lacing. Yes, they're to create a snugger fit, but not by means of laces. Most people think they're to create ventilation, but that's not the case.
Holes in Lego Heads
Pen caps and Lego heads pose the same choking hazards, and Lego has ensured that each part of their pieces has holes in them for ventilation. Even if a piece was stuck deep in a child's voice, they would still be able to breathe until professional help arrived.