Here is a classic Lewis Family song - This Flight Is Leaving Soon. Little Roy is on the guitar and Lewis is on the banjo. At :22 and 1:22 there are some great close ups of Lewis's right hand. You can see how he shapes his picks and how he, with comfort and relaxation, anchors both fingers and cups his hand like Scruggs, Stanley, and Little Roy do. He does this by laying the fingers on the head with the corners of the fingers touching as opposed to touching head with the tip of the finger perpendicular to the head. Some great hand clappin' gospel music here also as only the Lewis Family can do.
At 1:06 there is a great picture of Sonny's right and and he has the same mechanics as Lewis above. https://www.youtube.com/watch?v=4Pb4fvQ1Iig&feature=youtu.be&fbclid=IwAR3_meDbgF8EEabz-yQd_fTsEV_a2OrrYzlx22uhigTD_6td4MVdnuaoORI
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'Unable to Post Photos' 3 hrs