In LSC the determiner sign self (โmateixโ) has the function, among many others, of being a relativization sign.
re, sq
self mushroom collect++ basket cl(6) / cl(?): โput in the basketโ.
โIโll put in the basket the mushrooms that I find.โ
(ยฉ Marta Mosella 2012. Reprinted with permission from Mosella, 2012: 176)