How To Use Contour Gauge ?
Just 4 easy steps to use~
Step 1 Adjust the tightness of the contour gauge to achieve the most comfortable state for use;
Step 2 Press the product on the pattern to copy the shape;
Step 3 Close up the lock to make the pattern tightly so as not to deform it;
Step 4 Trace the pattern on the board or drawing, the perfect pattern you want will display.