Rooster alarm

sonic location device

basically it can be anything that produces sound, it allows the blind, like John Smith, to create a clear map of an area using echolocation.

can be made out of a variety of materials, the most common is a simple stone, but it can be as complicated as a multi level stereo system.

2-3 ounces to 50-60pounds

made in the year -20A.E. in an experiment with the exceptional blind.

it does not have magic, besides the fact that only the blind person can hear the sound it produces.

mostly utilized by the blind and is not very well known, but some expert treasure hunters also use it in the traveling hero's country.