Install LIS3DH Screws
Insert and install 2x M2.5 x 8mm screws into the mounting holes. Insert and fasten 2x M2.5 hex nuts on to the threads of the screws.
Install LIS3DH to Neck
Place the LIS3DH into the neck of the guitar. Fit the thread of the screws through the two mounting holes on the neck of the guitar.