Sandpaper and how it is used
They are called "frozen horses" because they are like a trojan horse (it looks like something innocent but when you open it, it attacks) and it freezes the system
Answer:
1 To test his knights, the king provided each one with a riddle.
2 Most of the knights were stumped, but Sir Hector had a plan
3 Sir Hector told his riddle to a soothsayer, who solved it.
4 He brought the solution to the king, who was very impressed.
Explanation:
Hope this helps