Hairstyling is one of the primary things you can do to make yourself look presentable, and Hot Roller and Curling Iron are just hairstyling tools can help you with the process.
Hot rollers have many roller sizes to choose from. You can perform whatever type of curl you want.
Curling irons can either have a cylindrical barrel or tapered barrel. The difference between the two is that cylindrical barrels are limited to a particular curl method.