I’m looking for advice with the uchi (hammer-on) technique covered in Shamisen Crash Course: Volume Two. I understand the mechanics of it, I can do it when practicing the technique, and I also do a semi-decent job on measure 1. However, every attempt at measures 2 & 3 results in my muting the string. Adjusting how I hold the shamisen (I may have been tilting it upwards slightly to see the strings, ) did not help. What else can I try?