Translations:KAVAN Vinx free flight glider 600mm kit - Instruction manual/26/en

From KAVAN RC Wiki

15. Once satisfied, slide the T7 and T9 rings onto the T8 pin and glue the rings with thick cyano to the fuselage.

CAUTION! Be sure the T3 wing seat could move easily; prevent glue from reaching the T3 and T8 pin.