The resulting barrel chest is a similar presentation in the upper torso to the appearance of the finger joints as someone ages with this condition. The ribs become fixed in their most expanded position, giving the appearance of a barrel chest, and this can also cause respiratory limitations during exercise.
In the overhand hold, the tactical ring aids in retention and keeps the light properly positioned for use. Alternatively the light can be quickly flipped into a back-hand hold allowing a two-handed grip on the weapon.
A pistol light is a flashlight that mounts onto the front of a pistol. A completely different set of lights than the other tactical flashlights. These lights need to be small and light. The beam pattern may also be very important in these lights.