Devices descending from K121902

2 later devices reach Natratone through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K171896	Feminine Personal Trainer (FPT)	Ralston Group	2017	1	—
+2	K193364	Intimate Rose Kegel Exercise System	Plus EV Holdings Dba Intimate Rose	2020	0	—