\section{Results} \label{results} \begin{subfigs}{grasp_results}{Results of the grasp task performance metrics for each vibrotactile positioning. }[ Geometric means with bootstrap 95~\% confidence and Tukey's \HSD pairwise comparisons: *** is \pinf{0.001}, ** is \pinf{0.01}, and * is \pinf{0.05}. ][ \item Time to complete a trial. \item Number of contacts with the cube. \item Time spent on each contact. \item Distance between thumb and the other fingertips when grasping. ] \subfig[0.24]{results/Grasp-CompletionTime-Location-Overall-Means} \subfig[0.24]{results/Grasp-Contacts-Location-Overall-Means} \subfig[0.24]{results/Grasp-TimePerContact-Location-Overall-Means} \subfig[0.24]{results/Grasp-GripAperture-Location-Overall-Means} \end{subfigs} Results were analyzed similarly as for the first experiment (\secref{results}). % The \LMM were fitted with the order of the five vibrotactile positionings (Order), the vibrotactile positionings (Positioning), the visual hand rendering (Hand), the {contact vibration techniques} (Technique), and the target volume position (Target), and their interactions as fixed effects and Participant as random intercept.