Thanks to /u/bdarknessb, here is, what I think, the Shoulder
Joy-Con™ (L)/(R) - Pastel Purple/Pastel Green - Left and Right
Nintendo Switch Console with Gray Joy-Con Controller
Joy-Con Colors - Nintendo Switch Guide - IGN
Joy-Con Controllers - Nintendo Switch Guide - IGN
Joy-Con (R) - Gray - REFURBISHED - Nintendo Official Site
Nintendo Switch - Gray + Gray Joy-Con - REFURBISHED - Nintendo
Nintendo Switch Joy-Con Controller (L/R), Nintendo Switch
Nintendo Switch Joy-Con Controller (L/R), Nintendo Switch
NINTENDO Switch with Joy‑Con 32 GB Price in India - Buy NINTENDO