JonB - 5:11 pm on Oct 19, 2002 (gmt 0) [edited by: JonB at 5:13 pm (utc) on Oct. 19, 2002]
it is the thingie you place on earht then you scare away the under-surface animals.you know the animals who eat roots or plants or harvest. sends showck waves or low frequencey waves into earth. i guess my bad enlgish will make it harder for you to undertand what i am trying to say.
[edited by: JonB at 5:13 pm (utc) on Oct. 19, 2002]