⚠️ The product for sale is only the knob guard. Please note that the effector unit shown in the image is not included. ⚠️ 【If you are considering purchasing multiple of the same product, or other products that I am selling at the same time, combined shipping is possible. Please let me know in the comments section before purchasing.】 To avoid any problems, please read the following precautions carefully before purchasing and using the product. 1. Installation on products with knobs of a different shape than the image has not been confirmed. 2. The effector unit shown in the image is not included. 3. Please refrain from using the product for purposes other than its intended use (BOSS effector knob guard). 4. This product has the effect of preventing the knob from shifting from its arbitrary position, but it does not completely prevent shifting. 5. Due to the nature of 3D printing, there may be dimensional errors, burrs, layer lines, stringing, and support material residue on the product. 6. Do not apply excessive force to the product, as it may cause damage or injury. 7. Due to the handmade nature of the product, there may be individual differences in dimensional accuracy. 8. Installation on BOSS WAZA CRAFT series and products with knob outer diameters of 12.2mm or more has not been confirmed. Product Description: This is a BOSS effector knob guard. It fits knobs of the four-knob type, such as the OS-2, and also fits dual-axis knobs such as the MD-2 and MT-2. (JB-2 has not been confirmed) It prevents the knob from shifting from its arbitrary position when the pedal is stepped on with your foot, and the sole of your shoe comes into contact with the knob. Installation Method: Fit this product over the knob. 【Note: If it is too tight to fit, do not force it in. Remove all the knobs attached to the effector unit, install this product, and then reattach the knobs as they were before use.】 Packaging Contents: Knob guard x 1 Product Specifications: Material: 3D printer filament (PLA+) Color: Black