diff --git a/.gitignore b/.gitignore
index f2b155c..5585d68 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,4 @@ history.json
 *.pyc
 tags
 client_secret.json
-
+locked_till.txt
diff --git a/cardlistener.py b/cardlistener.py
index 9121e30..028cf8a 100755
--- a/cardlistener.py
+++ b/cardlistener.py
@@ -56,18 +56,23 @@ if __name__ == '__main__':
             with open('cards/' + cardID + '.json') as card_data:
                 data = json.load(card_data)
                 event["name"] = data['name']
-                if data['secretTools']:
+                locked = False
+                with open('locked_till.txt', 'rb') as f:
+                    txt = f.read()
+                    t = float(txt)
+                    locked = time.time() < t
+                if data['secretTools'] and not locked:
                     GPIO.output(pin_config['tools_grn_LED'], GPIO.HIGH)
                 else:
                     GPIO.output(pin_config['tools_red_LED'], GPIO.HIGH)
-                if data['fridge']:
+                if data['fridge'] and not locked:
                     GPIO.output(pin_config['fridge_grn_LED'], GPIO.HIGH)
                 else:
                     GPIO.output(pin_config['fridge_red_LED'], GPIO.HIGH)
                 timeout = time.time() + 5 # 5 seconds timeout
                 wait = True
                 while wait:
-                    if data['secretTools'] and GPIO.input(pin_config['tools_btn']) == 0:
+                    if data['secretTools'] and GPIO.input(pin_config['tools_btn']) == 0 and not locked:
                         GPIO.output(pin_config['fridge_grn_LED'], GPIO.LOW)
                         GPIO.output(pin_config['tools_grn_LED'], GPIO.LOW)
                         GPIO.output(pin_config['fridge_red_LED'], GPIO.LOW)
@@ -76,7 +81,7 @@ if __name__ == '__main__':
                         wait = False
                         # Open tools
                         subprocess.call("/home/pi/ELAB-RFID-I2C/RPi/i2c_challenge 0x30", shell=True)
-                    if data['fridge'] and GPIO.input(pin_config['fridge_btn']) == 0:
+                    if data['fridge'] and GPIO.input(pin_config['fridge_btn']) == 0 and not locked:
                         GPIO.output(pin_config['fridge_grn_LED'], GPIO.LOW)
                         GPIO.output(pin_config['tools_grn_LED'], GPIO.LOW)
                         GPIO.output(pin_config['fridge_red_LED'], GPIO.LOW)
diff --git a/server.py b/server.py
index 4ac55ca..91bcd4c 100644
--- a/server.py
+++ b/server.py
@@ -37,6 +37,20 @@ def help():
 def status():
 	return render_template('status.html')
 
+@app.route('/lock-fridge/<duration>')
+@requires_auth
+def lock_fridge(duration):
+	with open('locked_till.txt', 'wb') as f:
+		f.write(str(time.time() + float(duration) * 3600))
+	return '{"success":true}'
+
+@app.route('/unlock-fridge')
+@requires_auth
+def unlock_fridge():
+	with open('locked_till.txt', 'wb') as f:
+		f.write('0')
+	return '{"success":true}'
+
 @app.route('/open/<what>')
 @requires_auth
 def users(what):
diff --git a/static/script.js b/static/script.js
index bf8ac60..7b3199f 100644
--- a/static/script.js
+++ b/static/script.js
@@ -85,7 +85,7 @@ $(document).ready(function() {
 		var toMatch = [-1,-1,-1];
 		var nameToMatch = '';
 		for (var j = 0; j < args.length; j++) {
-			if(args[j].charAt(0) == '-') {	
+			if(args[j].charAt(0) == '-') {
 				switch(args[j].charAt(1)) {
 					case 'y':
 						toMatch[0] = parseInt(args[j].substring(2));
@@ -133,3 +133,12 @@ $(document).ready(function() {
 		$('.event-wrapper').replaceWith(newHistory);
 	});
 })
+
+function lock_fridge() {
+	var period = parseFloat($('#period').val())
+	if (isNaN(period))
+		return;
+	$.getJSON('http://130.237.3.207/lock-fridge/' + period, function(data) {
+
+	});
+}
diff --git a/static/style.css b/static/style.css
index b26e7c4..e350836 100644
--- a/static/style.css
+++ b/static/style.css
@@ -165,6 +165,18 @@ input[type=text].search-bar {
 	width: 75%;
 }
 
+input[type=text].duration-input {
+	width: 25%;
+	margin-left: 15pt;
+}
+
+.disable-lock {
+	display: inline-block;
+	border-radius: 3pt;
+	background-color: #226666;
+	margin: 5pt 30pt 5pt 30pt;
+}
+
 .button {
 	background-color: #013A3A;
 	color: #5E9292;
diff --git a/templates/status.html b/templates/status.html
index 962bf2d..45a4d85 100644
--- a/templates/status.html
+++ b/templates/status.html
@@ -16,14 +16,19 @@
 	<div class="recent">
 	<div class="history-header">History</div><br>
 	<input type="text" name="search-bar" class="search-bar" placeholder="Search">
-		
+
 	</div>
 	<div class="everything-else">
 		<h1>Card access manager</h1>
 		<br>
 		<a href="/open/fridge"><div class="big-button">Open fridge</div></a>
 		<br>
-		<a href="/open/tools"><div class="big-button">Open tools</div></a>	
+		<a href="/open/tools"><div class="big-button">Open tools</div></a>
+		<br>
+		<div class="disable-lock">
+			<a href="#"><div class="big-button" onclick="lock_fridge()">Lock</div></a>
+			<input type="text" name="period" placeholder="Duration (h)" id="period" class="duration-input">
+		</div>
 	</div>
 	<div class="shadow" onclick="overlay_out()"></div>
 	<div class="overlay">
@@ -37,4 +42,4 @@
 		<input type="button" class="button" value="Save" id="save" onclick="save()">
 	</div>
 </body>
-</html>
\ No newline at end of file
+</html>