GRUBBRR's Tipping features allow guests to add tips to their kiosk orders using a slider, or by selecting from pre-set Suggested Tip Buttons. By default, all Kiosks include a "No Tip" option in these buttons; however, if you'd like, you can remove that as a suggestion. Please note: this doesn't require guests to leave a tip, it only removes the "No Tip" button from the pop-up. To remove the "No Tip" suggestion from your kiosks: