▁generally ▁be ▁going ▁over ▁ ▁and ▁the ▁load ▁they ▁have ▁generated ▁on ▁the ▁ro pe ▁can ▁be ▁over ▁. ▁ ▁Tr ick ▁ ▁The ▁Tr ick ▁competition ▁has ▁been ▁described ▁as ▁the ▁most ▁technical ▁of ▁the ▁three ▁classic ▁water ▁ski ing ▁events . ▁ ▁Tr ick ▁ski ing ▁uses ▁small , ▁o val - sh aped ▁or ▁ob long ▁water ▁sk is . ▁Begin ners ▁generally ▁use ▁two ▁sk is ▁while ▁more ▁advanced ▁ski ers ▁use ▁one . ▁The ▁shorter , ▁wider ▁Tr ick ▁ski ▁has ▁a ▁front ▁binding ▁facing ▁forward ▁and ▁a ▁back ▁binding ▁facing ▁at ▁a ▁ 4 5 ° . ▁It ▁has ▁a ▁smooth ▁bottom ▁that ▁allows ▁it ▁to ▁turn ▁over ▁the ▁surface ▁of ▁the ▁water . ▁According ▁to ▁official ▁ 2 0 1 3 ▁Tournament ▁R ules ▁for ▁ 3 - event ▁competition ▁in ▁the ▁United ▁States ▁and ▁the ▁Pan - Am ▁Games , ▁sk is ▁used ▁in ▁the ▁Tr icks ▁event ▁must ▁be ▁a ▁single ▁ski ▁without ▁fins , ▁although ▁m old ed ▁rails / gro ov es ▁less ▁than ▁ ▁are ▁allowed , ▁as ▁are ▁a ▁foot ▁pad ▁c ement ed ▁to ▁the ▁ski ▁as ▁a ▁place ▁for ▁the ▁rear ▁foot ; ▁in ▁addition , ▁the ▁ski ▁must ▁float ▁with ▁all ▁bind ings , ▁fins , ▁etc ., ▁installed . ▁The ▁ski ' s ▁configuration ▁allows ▁the ▁sk ier ▁to ▁perform ▁both ▁surface ▁and ▁air ▁tr icks ▁in ▁quick ▁succession . ▁ ▁In ▁a ▁tournament , ▁ski ers ▁are ▁given ▁two ▁ 2 0 - second ▁runs