I analyze Matsigenka (Arawak, Peru) verbal object markers as clitic determiners that incorporate syntactically due to requirements of Infl. Person-case constraint effects are observed, with two repair strategies depending on the configuration, a clitic /=ni/ and an inflectable element /ashi/. I analyze both as adpositions, as well as an instrumental applicative /-ant/, which exhibits similar PCC effects, as the head of a high ApplP that participates in roll-up head movement. I derive PCC effects via a relativized probe on v