he rises in the twilight , his sweaty bald pate glowing beneath a sweetly lavender sky , a foamy rill of beer rolling up one cocked forearm , his blue eyes twinkling ( you can tell he sees a lot with those eyes , just about everything ) , and ty waits for it , they all wait for it , and here it is , that avatar of summer in the coulee country , that wonderful bray that means everything is okay , terror has been denied , and slippage has been canceled .