It consists of a single wooden blade or "tongue" fixed in a block containing a contact microphone. Normally played by bowing the free end, it can also be struck or plucked. The location along the tongue where it is played will determine the frequency of its vibration, similarly to a wooden ruler held against the edge of a table.
This instrument is described as having a single wooden blade or "tongue" fixed in a block with a contact microphone. It can be played by bowing, striking, or plucking the free end. The pitch of the sound produced depends on where on the tongue it is played.