A Crossing on the Sill

I pushed past the heavy drape to see what lay beyond the baseboards. The air felt crisper near the glass. A thick rubber doorstop blocked the narrow gap along the runner. I paused, chin resting on the cool aluminum track. I nudged the wedge with my snout. It resisted. I lowered my stance, planted my claws into the textured carpet edge, and leaned my weight into it until it gave way with a soft skid. A wide, bright balcony stretched outside. I claimed the threshold.