I just wanted to share a great product I found to help when my shoulders are really sore. I have one for school and home. I leave it in the freezer. I place the cold pad around my neck for 20 mins, then pop it in the microwave for 2 mins and apply the hot pad for 20 mins. It gives me so much relief and feels great. The pad contours to my neck and shoulders because the pad if filled with tiny beads. I bought mine on Amazon.https://www.amazon.com/Neck-Shoulder-Relief-Heating-TheraPAQ/dp/B06WGRJ2T9/ref=lp_14362721011_1_4_a_it?srs=14362721011&ie=UTF8&qid=1513626468&sr=8-4
Here is a picture of me applying the pad when it is hot. I put it over my shawl because it was a bit too hot initially.