Jeff Jensen and I had this very conversation on the ice together last year 
I love my snaps, when vertical…in my eyes….there a must. They will add action to a bait vertical or horizontal.
Jeff likes to be tied directly to the bait when he is horizontal for the same reasons mentioned above. Me….well I have learned some tricks 
With the small snap you can squeeze the end past the eye to make the loop smaller. You will still need to adjust the jig now and then but you can get it to stick that waxie straight out.
Another thing I have learned…thanks James and Scott….I can lighten the load hanging off the back by popping my waxie and using just more of the skin to flip around calling in Mr. Bully
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After all that rambling you just read….everyone has confidence in the way they rig up, as long as you are catching fish 
I like the speed of snaps 
If you get snaps don’t purchase cheap snaps, you will never use them again if you do. Cheap snaps break after changing only a dozen times and, they have the tendency to straighten out 
Just 2 cents worth 
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