Pincer belong to the 1st
group. Pincer is a common french verb.
Pincer is conjugated the same way that verbs that end in : -cer
Pincer is conjugated with auxiliary avoir
Pincer verb is
direct transitive, intransitive.
French verb pincer can be conjugated in the reflexive form: Se pincer
verb is a direct transitive verb, so passive voice can be used.