Feature: -3D brush rotation, multi-angle cleaning -Clean chain is quick and easy -Saves cleaning liquid (diesel kerosene, etc. can be used after precipitation) it's more environmentally friendly     Instructions way:  Step 1: Open the lid first, pour in diesel or gasoline, then put the chain in, close the lid and turn the chain until the chain is clean! Step 2: Drain the diesel oil, add a little detergent to the water, and wash the chain again. After washing, dry the chain with a dry cloth. This time, the chain is as clean as the necklace! Step 3: Don't forget to be sure to put oil on the chain, otherwise the chain must have been rusted for a few days. Read Less