diff --git a/driver/Sources/NibCore/EventEmitter.swift b/driver/Sources/NibCore/EventEmitter.swift
index d2a80f9..5d5ad05 100644
--- a/driver/Sources/NibCore/EventEmitter.swift
+++ b/driver/Sources/NibCore/EventEmitter.swift
@@ -136,12 +136,14 @@ public final class EventEmitter {
     private func postPointer(_ s: PenSample) {
         let pt = mapping.point(x: s.x, y: s.y)
 
+        // Contact: the eraser end reports touch via the Eraser bit, not Tip Switch.
+        let contact = s.tipDown || s.eraser
         let type: CGEventType
-        if s.tipDown && !wasTipDown { type = .leftMouseDown }
-        else if !s.tipDown && wasTipDown { type = .leftMouseUp }
-        else if s.tipDown { type = .leftMouseDragged }
+        if contact && !wasTipDown { type = .leftMouseDown }
+        else if !contact && wasTipDown { type = .leftMouseUp }
+        else if contact { type = .leftMouseDragged }
         else { type = .mouseMoved }
-        wasTipDown = s.tipDown
+        wasTipDown = contact
         if type == .leftMouseDown { tipClickState = tipClicks.down(at: pt, time: now()) }
 
         guard let e = CGEvent(mouseEventSource: nil, mouseType: type,
@@ -167,7 +169,7 @@ public final class EventEmitter {
         e.setIntegerValueField(.tabletEventDeviceID, value: Int64(deviceID))
         // Button mask: bit0 tip, bit1 barrel, bit2 secondary barrel.
         var buttons: Int64 = 0
-        if s.tipDown { buttons |= 0x1 }
+        if contact { buttons |= 0x1 }
         if s.barrelButton { buttons |= 0x2 }
         if s.secondaryBarrel { buttons |= 0x4 }
         e.setIntegerValueField(.tabletEventPointButtons, value: buttons)
diff --git a/driver/Tests/NibCoreTests/EventEmitterTests.swift b/driver/Tests/NibCoreTests/EventEmitterTests.swift
index c3b6e25..7f04b38 100644
--- a/driver/Tests/NibCoreTests/EventEmitterTests.swift
+++ b/driver/Tests/NibCoreTests/EventEmitterTests.swift
@@ -14,6 +14,22 @@ final class EventEmitterTests: XCTestCase {
                      sink: sink)
     }
 
+    func testEraserContactIsAClick() {
+        let sink = RecordingSink(), em = makeEmitter(sink)
+        var s = sample(); s.inverted = true
+        em.handle(s)                                        // eraser hovering
+        var down = s; down.eraser = true; down.pressure = 3000
+        em.handle(down); em.handle(down)                    // eraser pressed (Tip bit stays 0)
+        em.handle(s)                                        // lifted
+        XCTAssertEqual(sink.clicks.map { $0.type }, [.leftMouseDown, .leftMouseUp])
+        XCTAssertTrue(sink.types.contains(.leftMouseDragged))
+        let prox = sink.events.first { $0.type == .tabletProximity }!
+        XCTAssertEqual(prox.getIntegerValueField(.tabletProximityEventPointerType), 3)
+        let press = sink.events.first { $0.type == .leftMouseDown }!
+        XCTAssertGreaterThan(press.getDoubleValueField(.tabletEventPointPressure), 0)
+        XCTAssertEqual(press.getIntegerValueField(.tabletEventPointButtons) & 0x1, 1)
+    }
+
     func testLeavingProximityWithTipDownReleasesTip() {
         let sink = RecordingSink(), em = makeEmitter(sink)
         em.handle(sample(tip: true))