Now, most if not all of these most people already have.

Materials:

• Bike chains
• 2 zip ties
• Bearing
• Bolts & Nuts

Bike chain spinner:

Step 1: Get a bike chain which has 22 links.

Step 2: Arrange the chain as shown

Step 3: Get 2 zip ties and lock the bike chain with zip ties

Step 4: Put a bearing in the center.

Step 5: Tighten the zip ties and cut the end.

Step 6: Get the bolt and nut and then place it in the bearing.

Source: RealMoms