This is one of my favorite shoulder pressing variations. It's not only a great way to spice up your shoulder workouts and hit your shoulders a bit differently, but it also requires some additional core muscle engagement in order to maintain the offset load.
Although you can certainly perform this exercise using a dumbbell, do it with a kettlebell because its design really works well for this exercise.
Tim's "Ah-Ha" moments have to do with the superiority of supersets over combination exercises, working abs first, the proper way to gain weight, debunking the stability ball myth, and a nifty little trick to make sure you're squatting low enough.