isaiah 25:11 And he shall spread forth his hands in the midst of them, as he that swimmeth spreadeth forth his hands to swim: and he shall bring down their pride together with the spoils of their hands. - Free Bible Online

      11. he--Jehovah shall spread His hands to strike the foe on this side and on that, with as little effort as a swimmer spreads forth his arms to cleave a passage through the water [CALVIN]. (Zec 5:3). LOWTH takes "he" as Moab, who, in danger of sinking, shall strain every nerve to save himself; but Jehovah (and "he") shall cause him to sink ("bring down the pride" of Moab, Isa 16:6).
      with the spoils of . . . hands--literally, "the craftily acquired spoils" of his (Moab's) hands [BARNES]. Moab's pride, as well as the sudden gripe of his hands (namely, whereby he tries to save himself from drowning) [LOWTH]. "Together with the joints of his hands," that is, though Moab struggle against Jehovah hand and foot [MAURER].

JFB.