The loop allows the gloves to be hung, on a carabiner for example, such that the fingers point up preventing the gloves filling with rain or snow.
For example, see the manufacturer's description of these gloves:
Finger-mounted clip-in loop enables gloves to be attached to a carabiner with finger-tips facing up, eliminating snow-fill
In the US ice grades fall into three categories; Water Ice, which is seasonal and often shifting in difficulty; Alpine Ice, which is permenent ice found on glaciers or high altitudes; and Mixed Ice, which is a mix of ice and rock.
Water Ice and Alpine Ice are on the same scale -- though alpine ice tends to be a little easier at the grade. (ratings taken via ...
Only 1 out of 10 survive Avalanches
If you are completely buried in an avalanche the odds of survival are slim, unless you wear a transceiver (beacon), and you have partners that escaped the avalanche who have the right gear (beacon receivers, probes, and shovels) as well as the experience from practicing with them to save you. Statistics show that the ...