diff --git a/src/uix/eidos/components/palabras/palabras-handle.svelte b/src/uix/eidos/components/palabras/palabras-handle.svelte
index b804cc3ca..2c3d4377a 100644
--- a/src/uix/eidos/components/palabras/palabras-handle.svelte
+++ b/src/uix/eidos/components/palabras/palabras-handle.svelte
@@ -105,6 +105,22 @@
 		}
 		return null;
 	}
+	// Top-level block whose vertical band contains `clientY` (Voronoi-on-Y: the
+	// boundary between two blocks is the midpoint of the inter-block gap). Lets the
+	// grip follow the cursor while it's over the RAIL (gutter), where `closest()`
+	// finds no block.
+	function blockAtY(clientY: number): HTMLElement | null {
+		const blocks = topLevelBlocks();
+		if (blocks.length === 0) return null;
+		const rects = blocks.map((b) => b.getBoundingClientRect());
+		for (let i = 0; i < blocks.length; i++) {
+			const r = rects[i];
+			const from = rects[i - 1] ? (rects[i - 1].bottom + r.top) / 2 : -Infinity;
+			const to = rects[i + 1] ? (r.bottom + rects[i + 1].top) / 2 : Infinity;
+			if (clientY >= from && clientY < to) return blocks[i];
+		}
+		return null;
+	}
 
 	// Anchor to the active block. Reads `panelOpen` so the effect re-runs when
 	// the panel opens (the click sets active THEN opens the panel; the anchor
@@ -141,10 +157,16 @@
 		if (!h) return;
 		const onMove = (e: Event) => {
 			if (panelOpen) return;
-			const block = (e.target as HTMLElement | null)?.closest(
+			const pe = e as PointerEvent;
+			// Over a block directly, OR over the rail/gutter → resolve the block by
+			// the cursor's Y so the grip follows the cursor along the gutter exactly
+			// like along the blocks (the rail isn't inside a block, so closest()
+			// returns null there and the grip used to freeze).
+			let block = (pe.target as HTMLElement | null)?.closest(
 				'[data-words-id]'
 			) as HTMLElement | null;
-			if (!block || !h.contains(block)) return;
+			if (!block || !h.contains(block)) block = blockAtY(pe.clientY);
+			if (!block) return;
 			grip = gripFor(block, h);
 		};
 		const onLeave = () => {