, the more details slip out between his fingers . 
(ROOT (S (, ,) (ADVP (DT the) (JJR more)) (NP (NNS details)) (VP (VBP slip) (ADVP (RP out)) (PP (IN between) (NP (PRP$ his) (NNS fingers)))) (. .)))
(ROOT (S (, ) (ADVP (DT ) (JJR )) (NP (NNS )) (VP (VBP ) (ADVP (RP )) (PP (IN ) (NP (PRP$ ) (NNS )))) (. )))