People want to know...

Sevens
It's a table things. Best to remove all the silverware cutlery first though.

SL = slap the table
CL = clap your hands
SN = snap your fingers

SL SL SL SL SL SL SL
SL SL SL SL SL SL SL

SL CL SL CL SL CL SL
SL CL SL CL SL CL SL

SL CL SN SL CL SN SL
SL CL SN SL CL SN CL

SL SL* SL CL SN CL SL
SL SL* SL CL SN CL SL
* cross your hands for the second slap, then uncross them for the third.