Zigzag Side On Bobby Pins
Bobby pins come with a straight side and a wavy side. Often, the zigzag pattern is used facing toward the scalp. To be fair, it does look a bit cooler like that. The truth is that the wavy side helps secure the pin and keep it there the entire day. Why? Well, it is easier to hold onto the clump of hair this way.
Zigzag Side On Bobby Pins
Cable Cord Cylinders
Have you ever taken the time of the day to figure out what the cylinder-like lump at the end of the cord is? They are actually known as ferrite cores or chokes. They have magnetic iron oxide, which helps prevent high-frequency electromagnetic interference. If your phone is a little too close to your speaker, weird noses might interrupt the call. The big cylinders on those cable cords prevent such interruptions.
Cable Cord Cylinders
