It is in the lower left of the map, just below Dos Cactos. You need to get the two pieces of the map. One is found at the bank in Rock Ridge after it is robbed. The other you get from the big-headed kid in Dos Cactos when you help him get his head back to normal.
(see related question)
you dress as one.
you use them when you go into the hideout of the mustachio gang.
that's funny
on the top shelf next to the wanted sign
You have to search and find the map pieces and then it will be added to your map
no there isn't
Use the concentration one to play train robbery, and the invisible one at the hideout.
You get it from the big boy head and after the bank is robbed.
You hide in a cave like a hermit until you forget WHY you were hiding in the cave.
no there isn't
You hit the gun, the money bag over the safe, the candle (it will light when you hit it,
Get all the pieces to the map (hint: the last piece is in the bank after the gang destroys it.)