Spiked and studded dog collars were an Ancient Greek invention. Who would think that the spiked collars we see on cartoon characters or the local scene kids had ancient origins? Ancient Greek herders would give their sheep-dogs sharply spiked collars as protection from wolves while they guarded livestock at night.
100 Mind-Blowing Studded Facts
Lego bricks can be combined in nearly a billion ways. Six pieces of the standard eight-studded Lego bricks can be combined in 915,103,765 ways.