I think you already know my response Amy but I will give it anyway. Let's see... how do I put this without being harsh....? Would you like one around your neck? Little pinchy prongs biting into your flesh everytime you make a wrong move? I don't think so and I don't think Nebo will either. Of the two I would use a Halti (less invasive). He will get use to it after it is on for a little bit. Halti's do not hurt the dog by digging into their skin.

Personally though, I believe the behavior needs to be corrected in a positive manner. If I was the trainer this is what I would suggest...

Go somewhere where you know there will be other dogs but you can remain at a distance. Get close enough just so Nebo will display the behavior you do not want. Have the greatest treats in the world for Nebo handy. I usually pull out the best that my dogs love (baked chicken breast or chunks of real steak) when I am dealing with a problem behavior. Give him a command using his name first such as "Nebo - front" or "Nebo - heal". If necessary you need to take the food between your index and middle finger and wave it around his nose to get his attention. Make him do attention from whatever position you choose. Then reward him with several pieces of the food.

If he doesn't pay attention to you but still focuses on the other dogs, put him in what I refer to as puppy management. Take his leash under your foot and bring him down into a down position. Remain on the leash as close to the buckle as possible without stepping on him. He may struggle but remain on the leash. He will eventually get calm. When he remains calm for a period of time (he doesn't have a choice in this position) then you can give him a "release" command without a food reward. Food rewards are only for paying attention to you when you first give the initial command and he listens.

After you consistently get him to pay attention then move the distance a little closer and repeat.

This method is more time consuming but what you are eventually doing is modifying his behavior with him knowing what you want. By pinching his neck with a prong collar you are getting him not to do the behavior because he doesn't want a negative pinch. He is not really learning what you expect of him but is only learning how to prevent a pinch. I guess you get the same results but one is actually training the dog and the other is conditioning the dog. I prefer the dog to obey me when I give a command.

In teaching Dixie how to be a hunter, I was told by several "experts" that unless I use an electronic training collar on her she will never learn. I tried a collar one day and returned it to the store the next. It took me longer to get her to understand and we had more frustrations I'm sure, but she is consistant now and I can verify that it was worth it doing it the harder way! Most dogs I see go to the line that were trained on a collar (which you are not allowed to compete with it on) are not consistent because they realize they don't have the training device on. Bottom line is if you train you will have a dog who understands he needs to obey you. If you use the pinch collar you better have it for the remainder of his life because he won't know what is expected when he isn't wearing the collar.

Just my two cents!