HOW TO DO:
Step 1: Fill the Whisk with Some Steel Wool.(to get more Sparks when Burning, you can Puff the Steel Wool up a Little)
Step 2: Attach a Flexible Wire to the Whisk which Enables you to Spin the Whisk in the Air.
Step 3: Find a Proper Place. Any Place won't be set on Fire would be Fine.Because the Sparks will Bounce of any Surface they Encounter.
Step 4: Set up your Camera. You can use bulb setting on your camera. Don't Forget to Bring a Tripod and Wireless Shutter Release with you.
Step 5: Ignite the Steel Wool and Spin the whisk! Once everything is ready, Ignite the Steel Wool with a Lighter. Just a little bit is Enough and the Steel Wool will Start to Smolder. The Whole Steel Sool will Catch on Fire when being Spined the Whisk and have fun.
TIPS:
Appropriate setting is 13 seconds exposed, ISO 1600, F8.
Whisk is not necessary, and you can gain different result with different tools. So you can try to use bicycle wheels, small cages, etc
