There are plenty of weapons in Bloodborne that aren't what they seem at first site. FromSoftware created weapons for the game that have a tendency of opening up and becoming something more, one of these weapons is the Saw Cleaver.
The Saw Cleaver goes from being a close combat cleaver like weapon to being a damn near pole-arm. The master craftsmen at Man At Arms came together and created Bloodborne's Saw Cleaver, using a railroad track to create the main part of the weapon – the blade.
Once completed the blade the blade was used to wreak havoc on planet of plastic jugs, cans, and one rather explosive zombie head. Check the black out below!