My first DIY smartphone repair project was off to an inauspicious start. I’d successfully removed the back of the HMD Skyline, but the next instruction called for a T3 screwdriver bit.

“Blow-dryer brushes take away the shoulder fatigue and allow more mobility and ease,” says Drew Schaefering, master stylist and senior educator at Rob Peetoom Salon. And just as a blowout ...