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I understand how hard it is since you need to use your hands so much, I’ve heard ice works very well and maybe you could try CBD. There are things to make it easier with your hands, you can get compression gloves for your hands (amazon.com/dp/B00ZO4WW7Q/ref=cm_sw_r_cp_api_i_GWUjFb4H1SGWC) and there are also clothes and accessories to make things like wearing clothes easier and less painful (blessbuttonless.com)
I found links in your comment that were not hyperlinked:
I did the honors for you.
^delete ^| ^information ^| ^<3