Can anyone help identify this wooden clamp like accessory we found in a a '77 Oday Day Sailer II. About 22" long & having a snap dangling from a foot-long length of light chain, It is made of two wood blocks with carriage bolts & wingnuts that appear to permit it to be clamped on something. Don't laugh as i was hoping it was some steering assist for single handing but can't figure it out.... Trying to attach pic.
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