It is worth noting that many of us when starting mandolin often use heavy pressure fretting the strings (far more than necessary) ... for me I had to...
I would focus more on the shape and how well it fits in your hand than anything. A thicker pick that fits nice will get you 95% up the mountain. IMO...
I use a hemostat I got at the fishing tackle aisle of my hardware store to hook the loops on the tailpiece. Best dollar I spent on my mandolin as it...