The Imants Shockwave is an excellent too for deep de-compaction on your Athletic fields. Applications twice a year can relieve a seasons’ worth of compaction well below to root zone and up to 9″ deep. Surface drainage improvements, decreased concussion risk and healthier turf all make the Imants Shockwave a critical part of any successful maintenance program. Use in conjunction multiple in-season applications of the Mini Roto-knife and The Imants Fraze mower once every two years and your properly built fieild will last for many years t0 come.