None / Smooth | Totally smooth and clean transition with hardly any feel of a shoulder index.
Soft | Comfortable and relaxed feel with a slight shoulder index
Hard | Abrupt transition that’s been

shaped for a comfortable shoulder index
The blade can be shaped to taper gently into the loom or to have a more pronounced shoulder.

Setting for comfortable.

Stand with arms relaxed & elbows at your side, then bend your arms at the elbows to a 90 degree angle so that they are perpendicular to your body. Now, position your hands as if they were gripping a paddle, forming an ‘O’ with your thumb and index finger. Measure the distance from index finger to index finger on each hand. This is the approx. loom length.