These boots allow a rogue to perform a sneak attack without the normal one round delay. (The sneak attack attempt does not necessarily need to be done on the first round of combat.) In addition, when making sneak attacks, the rogue’s To Hit slide will enjoy a +2 bonus. This +2 To Hit bonus only applies to sneak attacks.
Necklace of the Sneak
Adds +1 to AC (for both classes) and rogues may perform sneak attack without the standard 1 round delay
Once per game, the wearer may perform a sneak attack on the same monster twice. Unless the character has a way to bypass the standard prep round, each use of sneak attack made with these shoes requires a prep round.
If you have another item that allows you to sneak attack the same monster a second time, these shoes do not stack with it. E.g., if you also have Raphiel’s Sneaky Necklace equipped,