My apologies, then, WMB. You can tell your board that even though you slanted the question to illicite the response THEY are wanting, the responses all came back against them.
To me - the two issues are distinct and separate.
The rules tell me I MUST warn an offender and issue a team warning before any ejections. And the rules specifically do NOT tell the umpire to issue a preemptive warning.
The 2nd issue is - why do we have the coaches certify that everything on their side is kosher. Liability, folks. If we have them certify that nothing is amiss, then if something IS amiss, and we miss it (LF and CF collide, hooking an unseen earring, tearing off a girl's earlobe, etc), we have covered (or at least put forth our best efforts to cover) our legal liability in this litigious society by having the coaches tell us they had checked for jewelry.