What is Reddit's opinion of HotHands Hand Warmer Value Pack?

From 3.5 billion Reddit comments

My Reynaud's isn't as severe as yours, but I like those little handwarmer packets for when I know I'm going to be doing something that will cause cold hands (here's one type: https://www.amazon.com/HotHands-Hand-Warmer-Value-Pack/dp/B0749NTTZN )

Just remember to activate them about 15 minutes before you go to the grocery store (or wherever) so they will be nice and warm when you arrive.

When I'm doing something in the kitchen that makes my hands cold, like chopping veggies fresh out of the refrigerator or prepping raw meat, I keep a small stream of warm water running out of the faucet so I can warm up my hands every few seconds. For me the temperature changes back and forth are a bit painful, but nothing compared to the pain I get from having cold hands for an extended period of time.

I also keep fingerless wool gloves at my office to use when typing.