Each of these brines would be delicious with numerous types of vegetables, so even if you don't like exactly what I'm using here, the preparation is still the same.
Add vinegar, water, syrup and spices into a small sauce pan. Bring to a boil then reduce to simmer for 5 minutes.
While the brine is cooking, thinly slice the radishes using a mandolin slicer. Add them to a wide mouth mason jar then pour the warm brine into the jar. Close the lid and let sit on the counter until it reaches room temperature.
Then transfer it to the fridge and allow to pickle for at least 4 hours.