index hole

index hole

A small hole punched into a hard sectored floppy disk that serves to mark the start of the sectors on each track.
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The Plain 1 has a four-finger handle with an index hole while the Simple 1 showcases an open, three-finger contouring handle.
Only one of the first five holes is a single figure stroke index hole. The opening hole is rated the easiest on the course, the third the second most straightforward.
In operation the magazine is oriented spine up so you can keep track of your progress through the index holes in the back of the magazine.
When you look at the scorecard before a round, take note of the lower stroke index holes. If you know that the average score on a particular hole is likely to be over par, then take a more conservative strategy on those holes.
With the wind in that direction, some of the low-stroke index holes played much easier than usual, the 13th and 18th particularly so.
They have index holes at the rear to quickly identify how many rounds are still left inside.
Thicker than usual walls, removable base pads, a non-binding polymer follower with a mounted ball bearing to keep the bottom cartridge from sliding forward, large index holes, extra-power Wolff springs ...
Interestingly, both the owner's manual and the CZ-USA website state the capacity of the pistol to be 15+1, but the magazines have index holes marked to 16, and 16 rounds easily fit into the magazines I used.
Each player used their handicap index as the allowance to be taken at the appropriate stroke index holes.
On a journey where the course index holes have been nicely mixed up, this next three represent the toughest stretch, with an index of 2, 8 and 4 respectively and yardages of 412, 434 and 486 to boot.
The magazines have high-visibility red polymer followers, and the index holes at the rear are all marked.