Hercules Mini Electric Guitar/Bass Stand Signum This is usually referred to

This is usually referred to as bowing or "bellying" of the soundboard - The JLD Bridge System has been designed to fix this problem

is then tightened against the tension rod

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To read more about these particular machine heads

You can view the rest of the HOSCO range of luthier tools HERE

Hercules Mini Electric Guitar/Bass Stand Signum This is usually referred toHercules Mini Electric Guitar Bass Stand with Carry Bag DESCRIPTION: The HERCULES Mini Guitar Stand GS402BB for Electric or Bass Guitar is designed to fold up quickly and pack into the included Carrying bag.