Yet Another New Rule

I discovered new tribal art
At bath time.
A trail of ink stamped from
Pale inner wrist to
Outer shoulder.

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She tries to absolve the obviously guilty older brother,
But her testimony crumbles under the anatomic impossibility
Of this being a one man job.

This has lead to a new rule:
NO PRICING YOUR SISTER.

At least he wasn't letting her go for cheap.