that's not really a swastika, though. the geometry is similar, but it's a reflected mirror image. i mean, i don't want to get too sensational or silly, but it's kind of like the difference between the pentagram and the star of david. they look similar, but they mean different things.

those "inverted swastikas", which are thought to be a symbol for the sun, are important in hindu and buddhist religion right up to the present day and have been found in indo-european settlements across the eurasian steppes that date back to thousands of years ago. i don't see a reason to doubt that he's using it as a rabbit foot, but his ancestors would have found a more serious, spiritual use for it.

the symbol was also appropriated by christians during the christianization of the steppes and is used as a cross in some regions.