Tricks
Lines on the trousers first appeared in the later 19thcentury in Europe. After making a pair, the trousers were folded and sent on a long road to countries around the world. Even though they spent miles on the road, the trousers always had the lines. After a while, people accepted them and they’re now a part of every pair of trousers.
The holes on lollipop sticks are there to make the candy fix to it easier. During manufacture, the hole is made in the stick and the lollipop is fixed on it afterward.