Here are some of the best heatless styling tools for synthetic curly bob wig with bangs: 1. Rollers and Flexi Rods- Bendy Rollers: These are great for creating tight or loose curls. Dampen the curly bob wig with bangs slightly with water, section the hair, and wrap each section around the roller. The smaller the roller, the tighter the curl. Leave the rollers in for a few hours or overnight to...