[Clipper]

Everything tremorlaine said lines up with the rules I have heard too. To specifically address the questions:

1: Yes, he could use Cheat! on either of his current Handed Items and then play a third 1 Hand Item, or he could play Cheat! with a Handed Item from his hand regardless of the number of Hands the new Item requires.

2: He can use the Cheat! on the 2-Handed Item, but it now uses 0 Hands. He still has 1 Hand to spare in this case to use on a different Item (or he could turn the other Item sideways and then play and use a second 2-Handed Item.

3: Yes. Cheat! actually forces the Item it is attached to to use no Hands.

4: As stated by tremorlaine, it uses 0 Hands when Cheat!ed, but still counts as requiring Hands for the purposes of Curses, Item Enhancers and so on.