There are a few different ways that you can tie rope reins to slobber straps, and the method you use will likely depend on the type of slobber strap you have. If you have a leather slobber strap, for example, you may want to use a different knot than if you had a nylon strap. Let's take a look at a few different options for tying your rope reins to slobber straps.
One option is to simply tie the rope rein around the slobber strap. This is a very simple method, but it may not be as secure as some of the other options. If you choose this method, make sure that the knot is tight and won't come undone easily.
Another option is to thread the rope rein through the slobber strap and then tie it off. This is a bit more secure than just tying the rein around the strap, but it can be more difficult to do if you're not familiar with knots.
A third option is to use a quick release knot, such as a bowline knot or similar. This type of knot can be easily released even when under tension, which can be helpful if you need to quickly get out of your reins. Keep in mind that quick release knots are not always as strong as other types of knots, so make sure that you know how to properly tie one before using it.
Finally, another option for securing your rope reins is to use clips or carabiners. This method is very easy and doesn't require any knots at all. Simply clip or carabiner the rope rein onto the slobber strap and you're good to go! Just make sure that whatever type of clip or carabiner you use is strong enough to hold your horse's weight in case they pull on the reins while riding.
So there are a few different ways that you can tie rope reins onto slobber straps depending on what type of setup you have and what type of knot-tying skills you possess. Experiment with different methods until you find one that works well for both you and your horse!