Hi all,
I recently bought a strop that is leather on both sides
one side is gritty and the other is smooth (pics soon).

I was wanting to know whether I wasted my money on this.

INFO:
Its a Waverley. The gritty grey side has "CARBORUNDUM FILLED"
and "SHARPEN" stamped into it, while the smooth black side has
"FINISH" on it. The handle has "BROKE IN", "566" and "SUPER"
printed on it. Overall its 66cm long from hanger to the base of
the handle.

I know I'll need strop paste.
But apart from that I'm unsure on this strops use with blades.

Any help is much appreciated.
Thanks.