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In this chapter, I will focus on the phenomenon of drop out, i.e., withdrawal from the turn due to overlapping talk, in order to reflect on the link between “unfinished” turns and participation framework. With the help of a sequential and multimodal analysis inspired by the conversation analytical approach, I will show that dropping out from a turn is strongly linked to the availability displayed by potential recipients of a turn-at-talk. Although conversation analysis has described in detail the systematics of overlapping talk, especially of its onset (Jefferson 1973, 1983, 1986) and its resolution (Scheg-loff 2000; Jefferson 2004), the phenomenon of withdrawal from a turn due to simultaneous talk has not been investigated in detail. While it seems to bedifficult to describe this interactional practice by referring exclusively to syntactic features (incompleteness of the turn), I suggest looking at turn withdrawal from a multimodal perspective (e.g. Goodwin 1980, 1981; Mondada2007a; Schmitt 2005), taking into account visible resources like gaze or gesture. The problem of continuing or stopping a turn-in-progress in overlapping talk can be closely linked to the participation framework (Goodwin and Goodwin 2004), as speakers do visibly take into account their recipient’s availability and coordinate their turn construction with the dynamic changes of the participation framework and the interactional space.