Mat days are rare and the opportunity there is to do grapple sparring, as well as newaza, rdd, fsd, td
We can do a lot of this on the grass
And take time to run through longer phase sequences and techniques
Newaza
JJ tds
Kempo sets involving tds and ground finishes
Aikidookidoki projections and throws
Judo throws are best done on mats
Taihenjutsu rolling and ukemi receiving and countering techniques