Moving chain and winch blocks

Chains can now be attached to cranks that the player can operate or hook up to redstone which pull in or let out chain from it if chain has been wound onto it. Corner pulley blocks will allow the chain to move in right angles that would alow the chain to interact with something across a room taking turns and going up and across the wall on the way. Finally a clasp block that looks similar to a tripwire hook this will be placed onto blocks and alow the chain to raise them or lower them. Winch □--o--o--o--o--o--o--o-- ■ corner pulley block | 0 | 0 | ¿ clasp block ■