The Cover Feature shows the concept of the convergent synthesis of E-disilene, the silicon analogue of E-olefin, by the reduction of diastereomerically pure 1,2-dichlorodisilanes. Although this method has been well-known as the synthetic strategy of disilenes since the 1980s, the reaction mechanisms are hardly elucidated. Therefore, the mechanistic investigation of the reductive synthesis of disilenes is a classical but uncharted subject. We report that the reduction of both (R*,R*)- and (R*,S*)-1,2-dichlorodisilanes possessing 2,4,6-triisopropylphenyl (Tip) and p-methoxyphenyl (p-anisyl; Anis) groups afforded the corresponding E-disilene as a sole isomer. These results suggest that the elimination of two chlorine atoms proceeded not with a concerted but with a stepwise mechanism. More information can be found in the Research Article by Y. Jun-i, Y. Mizuhata and N. Tokitoh.