The phrase "a form of mutual" is correct and usable in written English.
It can be used when discussing concepts or agreements that involve reciprocity or shared benefits between parties.
Example: "The partnership established between the two companies is a form of mutual benefit that enhances their market presence."
Alternatives: "a type of reciprocal" or "a kind of shared".
A similar alternative approach is time banking, a form of mutual volunteering where people exchange skills, helping others and themselves at the same time.
Cigna reported a loss of $398 million last year, mainly because of heavy claims against insurance it had sold to other insurers related to variable annuities, a form of mutual fund that includes life insurance.
Although they lived and prayed together within an enclave, partly as a form of mutual protection — some historians believe they banded together after losing their men to the Crusades, which left behind mainly criminals and louts — beguines were not confined to the cloister.
What the IDCourserians members do together face-to-face and online can be considered as a form of mutual engagement (Wenger 1998).
Next we discuss how both of these issues can be addressed in practice, the first by defining a form of mutual information that is naturally continuous and therefore does not require an ad hoc discretisation step and the other addresses the case where, in a naturally discrete system numerical artefacts resulting in divergences can be avoided.
Instead, it's a form of mutual cooperation: neither are exploiting the other for their labour.
Land societies were an early form of mutual: a way of sharing resources for mutual benefit.
There has always been a complicated bond between criminals and the officers who chase them, a strange and subtle union based on humorous derision and a grudging form of mutual respect.
Now we have learned from the Leveson inquiry that a different form of "mutual advantage" came into play over the last decade or so, with the Metropolitan Police and News International intertwined far too closely.
Ranking the meals, moreover -- with our minus, check, one star, and two star system -- became a serious form of mutual play.
The bill, which easily passed the House, would abolish an archaic form of mutual funds sold almost exclusively to military personnel.
